Air conditioning unit



FIG. 1 is a front perspective view of the air conditioning unit of the invention;

FIG. 2 is a front view of the air conditioning unit of FIG. 1;

FIG. 3 is a left side view of the air conditioning unit of FIG. 1, the right side view being a mirror image thereof;

FIG. 4 is a rear view of the air conditioning unit of the invention; and,

FIG. 5 is a bottom view of the air conditioning unit of FIG. 1. 

The ornamental design for the air conditioning unit, as shown and described. 